Home / 90,614.56-135,940.68-27,438.22

Finding the Fourth Proportional to 90,614.56, 135,940.68 and 27,438.22

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Solution

The fourth proportional to 90,614.56, 135,940.68 and 27,438.22 is: 41,163.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,614.56 : 135,940.68 = 27,438.22 : x
  2. Step 2: Convert to fraction form
    90,614.56/135,940.68 = 27,438.22/x
  3. Step 3: Cross multiply
    90,614.56x = 135,940.68 × 27,438.22
  4. Step 4: Simplify right side
    90,614.56x = 3,729,970,284.79
  5. Step 5: Solve for x
    x = 3,729,970,284.79/90,614.56
  6. Step 6: Final answer
    x = 41,163.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.